cavern; cave; cave system; grotto
den; haunt; hangout; nest; lair
theory; reason; logic; (unreasonable) argument; strained logic; excuse
den of vice; rogue's den; brothel; red-light district; cluttered room
cavern; grotto; rock cave
quibble; pointless argument
narrow-minded; obstinate; stubborn; perverse; unreasonable; warped
buried earthen jar that makes sound when water drips into it (garden feature)
cave bear (extinct, Ursus spelaeus)
caves dug as tombs in and around Kamakura during the Kamakura and Muromachi periods
brothel; house of ill repute; red-light district
very shrewd in preparing a means of escape; being very good at escaping danger